How many oxygen atoms are there in 0.5 mol of CO2?


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CO2 Because there are two oxygen atoms/CO2 molecule, there is 1 mole of oxygen atoms. To find how many atoms there are, just multiply by Avogadro's number (6.022?x 10^23). There are 6.022 x 10^23 oxygen atoms in 0.5 moles of CO2.

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